z scores proportions statistics
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at 2:28 "point 5 divided by the square rut[wtf] of 2.64"
(^,o)
...try again noob
TheENERGYartist 1 month ago
If you want to prove that people arent getting fatter, wouldnt your null hypothesis be Ho less than or equal to 0.56 and Ha larger than 0.56 ? This should be one-tailed. People could be getting thinner.
CogitoErgoCogitoSum 1 year ago
You have the p-value wrong, it's .0136
If the p-value was .1036 there would be insufficient evidence to reject the null-hypothesis (since .1036 > .05). Looks like you misplaced the zero.
CrockerX 2 years ago
is it possible to calculate the proportion (value in the back of the stats book)? i am in class right now, and we have a quiz on this shit!
kmpkingshorse 2 years ago
The p-value can be determined by area that is beyond the z score. For example, if the z score was 1.96 the p-value would be .025. Look up 1.96 in the back of your stats the value is .4750, so .5000 minus .4750 = .025 and
seidolce 3 years ago
how did you calculate the P-value?
thats what im having trouble with...
thatoneguy1020 3 years ago